CN220668649U - Metal hose - Google Patents

Abstract

The utility model discloses a metal hose, which comprises a corrugated pipe body and is characterized in that: threads are arranged on the outer side walls of the two ends of the corrugated pipe body, flanges are arranged at the two ends of the corrugated pipe body and are in threaded connection with the corrugated pipe body through the threads, sealing gaskets are arranged in the flanges and are in contact with the corrugated pipe body; the corrugated pipe is characterized in that a coating layer is sleeved on the outer side wall of the corrugated pipe body, and mounting rings are arranged at two ends of the coating layer. The mounting ring is arranged, so that the edges of the two ends of the coating layer can be prevented from being tightened and slipped when the coating layer is bent along with the corrugated pipe body, the situation that the coating layer slips to cause falling off when the coating layer is bent is avoided, the mounting ring corresponds to the position on the flange plate, the mounting ring can be fixed while the flange plate is mounted and fixed, no separate additional dismounting step is needed for the mounting ring, and the working efficiency of dismounting the mounting ring and the coating layer is improved.

Description

Metal hose

Technical Field

The utility model relates to the technical field of pipeline corrosion prevention, in particular to a metal hose.

Background

The metal hose is an important component in the connecting pipeline of modern industrial equipment, is commonly used as a wire and cable protection pipe for wires, cables and automated instrument signals and a civil shower hose, and is mainly composed of three parts of a corrugated pipe, a net sleeve and a joint, and the net sleeve serving as one of the component parts plays roles of reinforcing, shielding and protecting the corrugated pipe to prevent the corrugated pipe from being damaged.

Through retrieval, the publication number is CN209354789U, a metal hose comprises a corrugated pipe and connecting pipes arranged at two ends of the corrugated pipe, a limiting check ring is fixedly arranged at the joint of the corrugated pipe and the connecting pipes, a first compression ring adjacent to the limiting check ring is sleeved on the connecting pipes, a net sleeve wrapping the limiting check ring and the first compression ring is sleeved outside the corrugated pipe, and one end of the net sleeve is positioned between the first compression ring and the second compression ring and is clamped and fixed through the first compression ring and the second compression ring; the ring flange is installed to the spiro union on the one end that the bellows was kept away from to the connecting pipe, and the cover is equipped with on the connecting pipe between the support cover of ring flange and the second clamping ring and compresses tightly the cover, and the ring flange is convenient for metal collapsible tube and other pipe fitting's connection, and the ring flange provides the clamp force to compressing tightly the cover simultaneously, compresses tightly cover and spacing retaining ring and presss from both sides first clamping ring, second clamping ring and net cover respectively from both sides, makes the net cover obtain fixedly, easy dismounting moreover.

In summary, there are some disadvantages in the mesh sleeve of the metal hose, that is, when the corrugated pipe is bent, the mesh sleeve wrapped outside the corrugated pipe is bent along with the corrugated pipe, the bent mesh sleeve is affected by bending stress, two ends of the bending surface of the mesh sleeve are tightened and pulled, so that the mesh sleeve compressed in the first compression ring and the second compression ring slides, after repeated bending for a long time, the mesh sleeve wrapped on the corrugated pipe gradually slides out and even falls off, and the mesh sleeve loses the protection function on the corrugated pipe.

Accordingly, the present utility model is directed to a metal hose that solves the problems of the prior art.

Disclosure of Invention

The present utility model is directed to a metal hose for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a metal collapsible tube, including wave-shaped pipe body, its characterized in that:

threads are arranged on the outer side walls of the two ends of the corrugated pipe body, flanges are arranged at the two ends of the corrugated pipe body and are in threaded connection with the corrugated pipe body through the threads, sealing gaskets are arranged in the flanges and are in contact with the corrugated pipe body;

the corrugated pipe is characterized in that a coating layer is sleeved on the outer side wall of the corrugated pipe body, mounting rings are arranged at two ends of the coating layer and are in contact with the flange plate, through holes are formed in the mounting rings and the flange plate, and outer hexagon bolts are arranged in the through holes.

Through above-mentioned technical scheme, set up the ring flange and splice multistage corrugated pipe body, set up sealing washer and be used for corrugated pipe body's seal, set up the coating and be used for protecting corrugated pipe body, set up the fixed coating of collar, carry out synchronous fastening to collar and ring flange through the through-hole on collar and the ring flange simultaneously.

Preferably, the cladding layer comprises a rubber layer, the rubber layer is sleeved on the outer side of the corrugated pipe body, the glass fiber layer is sleeved on the outer side of the rubber layer, and the steel wire weaving layer is sleeved on the outer side of the glass fiber layer.

Through above-mentioned technical scheme, reduce wearing and tearing, prevent protection such as scratch to the bellows body.

Preferably, the coating is fixed inside the mounting ring by means of mini bolts.

Through above-mentioned technical scheme, set up mini bolt and fix the coating in the collar.

Preferably, the rubber layer has a thickness of 0.2cm to 0.3cm.

Through the technical scheme, the rubber layer is arranged to reduce abrasion of the corrugated pipe body.

Preferably, the thickness of the glass fiber layer is 0.3cm-0.4cm.

Through the technical scheme, the glass fiber layer is arranged for fire prevention, flame retardance, insulation and heat insulation.

Preferably, the thickness of the steel wire braid is 0.2cm-0.4cm.

Through the technical scheme, the inner structure of the metal hose is protected from being worn and scratched by foreign objects.

Compared with the prior art, the utility model has the beneficial effects that: the metal hose is provided with a plurality of holes,

(1) Be provided with the collar, through setting up the coating inside the collar, and fix the collar with the coating through mini bolt penetration collar, can effectually prevent that the coating from tightening up and sliding along with the coating both ends edge when the corrugated pipe body is crooked, thereby avoided the coating to slide when crooked and cause the condition emergence that drops, make the coating can be better protect the corrugated pipe body, the last position corresponding with on the ring flange of collar, the accessible is fixed the collar with the mounting flange in the time of, need not to carry out independent additional dismantlement step to the collar, the work efficiency of dismantlement collar and coating has been improved.

(2) The corrugated pipe body is provided with the coating layer, the rubber layer in the coating layer can be used for protecting the corrugated pipe body to reduce abrasion, the glass fiber layer can be used for preventing fire and resisting fire, insulating heat, the steel wire weaving layer can be used for protecting the glass fiber layer, the steel wire weaving layer and the corrugated pipe body from being scratched by foreign objects, and therefore the service life of the metal hose is prolonged, and the maintenance cost is reduced.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a flange connection structure according to the present utility model.

In the figure: 1. a corrugated pipe body; 2. a flange plate; 3. a sealing gasket; 4. a coating layer; 401. a rubber layer; 402. a glass fiber layer; 403. a steel wire braiding layer; 5. a mounting ring; 6. an outer hexagon bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: a metal hose, including wave-shaped pipe body 1, its characterized in that:

threads are arranged on the outer side walls of the two ends of the corrugated pipe body 1, flanges 2 are arranged at the two ends of the corrugated pipe body 1, the flanges 2 are connected with the corrugated pipe body 1 through threads, a sealing gasket 3 is arranged in the flanges 2, and the sealing gasket 3 is in contact with the corrugated pipe body 1;

the cover is equipped with coating 4 on the lateral wall of bellows body 1, and the both ends of coating 4 all are provided with collar 5, and collar 5 contacts with ring flange 2, all has seted up the through-hole on collar 5 and the ring flange 2, and the inside of through-hole is provided with outer hexagon bolt 6.

Referring to fig. 1-3, the present utility model provides a technical solution: the coating layer 4 comprises a rubber layer 401, the rubber layer 401 is sleeved on the outer side of the corrugated pipe body 1, a glass fiber layer 402 is sleeved on the outer side of the rubber layer 401, and a steel wire weaving layer 403 is sleeved on the outer side of the glass fiber layer 402.

Referring to fig. 1, the present utility model provides a technical solution: the cladding layer 4 is fixed inside the mounting ring 5 by means of mini bolts.

Referring to fig. 2, the present utility model provides a technical solution: the thickness of the rubber layer 401 is 0.2cm to 0.3cm.

Referring to fig. 2, the present utility model provides a technical solution: the fiberglass layer 402 has a thickness of 0.3cm to 0.4cm.

Referring to fig. 2, the present utility model provides a technical solution: the thickness of the wire braid 403 is 0.2cm-0.4cm.

Working principle: when the metal hose is assembled, firstly, the corrugated pipe body 1 is inserted into the cladding layer 4, the joint of the opening of the corrugated pipe body 1 and the mounting ring 5 is kept flush, secondly, the sealing gasket 3 is placed in the flange plate 2, then the joint of the flange plate 2 is aligned to the opening of the corrugated pipe body 1, the flange plate 2 is rotated, the flange plate 2 is screwed onto threads at the opening of the corrugated pipe body 1 and is screwed tightly, the corrugated pipe body 1 is connected with the flange plate 2 in a threaded manner and tightly seals the sealing gasket 3, finally, the mounting ring 5 is rotated, through holes formed in the mounting ring 5 are aligned with the through holes in the flange plate 2, the flange plate 2 is connected with the mounting ring 5 through the outer hexagonal bolts 6 in a screwed manner, and meanwhile, the adjacent flange plate 2 is connected with the mounting ring 5 through the outer hexagonal bolts 6; the rubber layer 401 is used for protecting the corrugated pipe body 1 from abrasion, the glass fiber layer 402 is used for fireproof, flame retardant, insulating and heat-insulating, and the steel wire woven layer 403 is used for protecting the glass fiber layer 402, the steel wire woven layer 403 and the corrugated pipe body 1 from abrasion and scratch caused by foreign objects.

This completes the entire operation and what is not described in detail in this specification is well known to those skilled in the art.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. A metal hose, including wave-shaped pipe body (1), its characterized in that:

threads are arranged on the outer side walls of two ends of the corrugated pipe body (1), flanges (2) are arranged at two ends of the corrugated pipe body (1), the flanges (2) are connected with the corrugated pipe body (1) through threads, a sealing gasket (3) is arranged in the flanges (2), and the sealing gasket (3) is in contact with the corrugated pipe body (1);

the corrugated pipe is characterized in that a coating layer (4) is sleeved on the outer side wall of the corrugated pipe body (1), mounting rings (5) are arranged at two ends of the coating layer (4), the mounting rings (5) are in contact with the flange plate (2), through holes are formed in the mounting rings (5) and the flange plate (2), and outer hexagon bolts (6) are arranged in the through holes.

2. A metal hose according to claim 1, wherein: the cladding layer (4) comprises a rubber layer (401), the rubber layer (401) is sleeved on the outer side of the corrugated pipe body (1), a glass fiber layer (402) is sleeved on the outer side of the rubber layer (401), and a steel wire weaving layer (403) is sleeved on the outer side of the glass fiber layer (402).

3. A metal hose according to claim 2, wherein: the coating layer (4) is fixed inside the mounting ring (5) through a mini bolt.

4. A metal hose according to claim 2, wherein: the thickness of the rubber layer (401) is 0.2cm-0.3cm.

5. A metal hose according to claim 2, wherein: the fiberglass layer (402) has a thickness of 0.3cm to 0.4cm.

6. A metal hose according to claim 2, wherein: the thickness of the steel wire braiding layer (403) is 0.2cm-0.4cm.